C31232233133313221211113313331333132313331322121133133313232212111112121   >>    C3123223313331322121111331333133313231333132212113313331323221211111212   <<    C31232233133313221211113313331333132313331322121133133313232212111112123   >>      C31232233133313221211113313331333132313331322121133133313232212111112122   >>