C31232233133313221211113313331333131211113313223313232212112113121   >>    C3123223313331322121111331333133313121111331322331323221211211312   <<    C31232233133313221211113313331333131211113313223313232212112113123   >>      C31232233133313221211113313331333131211113313223313232212112113122   >>