C31232233133313221211113313331333132313232233133313331311211321121   >>    C3123223313331322121111331333133313231323223313331333131121132112   <<    C31232233133313221211113313331333132313232233133313331311211321123   >>      C31232233133313221211113313331333132313232233133313331311211321122   >>