C31232233133313221211113313331333131211113313231333133322333232321   >>    C3123223313331322121111331333133313121111331323133313332233323232   <<    C31232233133313221211113313331333131211113313231333133322333232323   >>      C31232233133313221211113313331333131211113313231333133322333232322   >>