C312322331333132212111133133313331323133313221211111122313232331   >>    C31232233133313221211113313331333132313331322121111112231323233   <<    C312322331333132212111133133313331323133313221211111122313232333   >>      C312322331333132212111133133313331323133313221211111122313232332   >>