C11111333133313232233133313331333131133132313331322121111113321133121   >>    C1111133313331323223313331333133313113313231333132212111111332113312   <<    C11111333133313232233133313331333131133132313331322121111113321133123   >>      C11111333133313232233133313331333131133132313331322121111113321133122   >>