C312322331333132212111133133313331333133312121111331211111333133312331323122311   >>    C31232233133313221211113313331333133313331212111133121111133313331233132312231   <<    C312322331333132212111133133313331333133312121111331211111333133312331323122313   >>      C312322331333132212111133133313331333133312121111331211111333133312331323122312   >>