C31232233133313221211113313331333131211113313231333132322132213231312323231   >>    C3123223313331322121111331333133313121111331323133313232213221323131232323   <<    C31232233133313221211113313331333131211113313231333132322132213231312323233   >>      C31232233133313221211113313331333131211113313231333132322132213231312323232   >>