C3123223313331322121111331333133313231333132212111112111111113313331231221   >>    C312322331333132212111133133313331323133313221211111211111111331333123122   <<    C3123223313331322121111331333133313231333132212111112111111113313331231223   >>      C3123223313331322121111331333133313231333132212111112111111113313331231222   >>