C312322331333132212111133133313331323133313221211111211111333122311   >>    C31232233133313221211113313331333132313331322121111121111133312231   <<    C312322331333132212111133133313331323133313221211111211111333122313   >>      C312322331333132212111133133313331323133313221211111211111333122312   >>