C312322331333132212111133133313331323133313221211111231211111333132322333123121   >>    C31232233133313221211113313331333132313331322121111123121111133313232233312312   <<    C312322331333132212111133133313331323133313221211111231211111333132322333123123   >>      C312322331333132212111133133313331323133313221211111231211111333132322333123122   >>