C312322331333132212111133133313331323133313221211113313132122311   >>    C31232233133313221211113313331333132313331322121111331313212231   <<    C312322331333132212111133133313331323133313221211113313132122313   >>      C312322331333132212111133133313331323133313221211113313132122312   >>