C3123223313331322121111331333133313231333132212111112312111113331323212321311   >>    C312322331333132212111133133313331323133313221211111231211111333132321232131   <<    C3123223313331322121111331333133313231333132212111112312111113331323212321313   >>      C3123223313331322121111331333133313231333132212111112312111113331323212321312   >>