C31232233133313221211113313331333131211113313231333132322133313331   >>    C3123223313331322121111331333133313121111331323133313232213331333   <<    C31232233133313221211113313331333131211113313231333132322133313333   >>      C31232233133313221211113313331333131211113313231333132322133313332   >>