C312322331333132212111133133313331333133322131211111133131133131231   >>    C31232233133313221211113313331333133313332213121111113313113313123   <<    C312322331333132212111133133313331333133322131211111133131133131233   >>      C312322331333132212111133133313331333133322131211111133131133131232   >>