C3123223313331322121111331333133313231333132212111112312111113331312222321   >>    C312322331333132212111133133313331323133313221211111231211111333131222232   <<    C3123223313331322121111331333133313231333132212111112312111113331312222323   >>      C3123223313331322121111331333133313231333132212111112312111113331312222322   >>