C31232233133313221211113313331333131211113313231333133322223332311   >>    C3123223313331322121111331333133313121111331323133313332222333231   <<    C31232233133313221211113313331333131211113313231333133322223332313   >>      C31232233133313221211113313331333131211113313231333133322223332312   >>