Nice Hot Cuppa

Sometimes you need to take a little time for self-care and sit down with a nice hot cuppa. Standard sudoku rules apply: Each row, column, and 3x3 box contains each number from 1 to 9 exactly once. Palindromes: Digits along each gray line read the same forwards as backwards along the line. Digits can repeat along palindromes provided they follow normal sudoku constraints. Quadruples: Digits shown within a circle must appear in one of the four cells adjacent to the circle.