C1111133313331323223313331333133313113313231333132212111113111333231   >>    C111113331333132322331333133313331311331323133313221211111311133323   <<    C1111133313331323223313331333133313113313231333132212111113111333233   >>      C1111133313331323223313331333133313113313231333132212111113111333232   >>