C3123223313331322121111331333133313231333132212111113331211331333112121   >>    C312322331333132212111133133313331323133313221211111333121133133311212   <<    C3123223313331322121111331333133313231333132212111113331211331333112123   >>      C3123223313331322121111331333133313231333132212111113331211331333112122   >>