C3123223313331322121111331333133313231333132212111112111111113313331322131111   >>    C312322331333132212111133133313331323133313221211111211111111331333132213111   <<    C3123223313331322121111331333133313231333132212111112111111113313331322131113   >>      C3123223313331322121111331333133313231333132212111112111111113313331322131112   >>