C312322331333132212111133133313331323133313221211111211331322231132311   >>    C31232233133313221211113313331333132313331322121111121133132223113231   <<    C312322331333132212111133133313331323133313221211111211331322231132313   >>      C312322331333132212111133133313331323133313221211111211331322231132312   >>