C3123223313331322121111331333133313231333132212111112312111112212331   >>    C312322331333132212111133133313331323133313221211111231211111221233   <<    C3123223313331322121111331333133313231333132212111112312111112212333   >>      C3123223313331322121111331333133313231333132212111112312111112212332   >>