C31232233133313221211113313331333132313232233133313331321123233111   >>    C3123223313331322121111331333133313231323223313331333132112323311   <<    C31232233133313221211113313331333132313232233133313331321123233113   >>      C31232233133313221211113313331333132313232233133313331321123233112   >>