C3123223313331322121111331333133313231333132212111112312111113232221   >>    C312322331333132212111133133313331323133313221211111231211111323222   <<    C3123223313331322121111331333133313231333132212111112312111113232223   >>      C3123223313331322121111331333133313231333132212111112312111113232222   >>