C312322331333132212111133133313331323133313221211331333132322121111122211   >>    C31232233133313221211113313331333132313331322121133133313232212111112221   <<    C312322331333132212111133133313331323133313221211331333132322121111122213   >>      C312322331333132212111133133313331323133313221211331333132322121111122212   >>