C3123223313331322121111331333133313231333132212111112111111133313133321   >>    C312322331333132212111133133313331323133313221211111211111113331313332   <<    C3123223313331322121111331333133313231333132212111112111111133313133323   >>      C3123223313331322121111331333133313231333132212111112111111133313133322   >>