C312322331333132212111133133313331333133322131211113313112132311   >>    C31232233133313221211113313331333133313332213121111331311213231   <<    C312322331333132212111133133313331333133322131211113313112132313   >>      C312322331333132212111133133313331333133322131211113313112132312   >>