C313212111113331323312111133133313331333133312121111331313331323222333132321311   >>    C31321211111333132331211113313331333133313331212111133131333132322233313232131   <<    C313212111113331323312111133133313331333133312121111331313331323222333132321313   >>      C313212111113331323312111133133313331333133312121111331313331323222333132321312   >>