C123132112322333121111113121111331333133313231333133323223312122112121321   >>    C12313211232233312111111312111133133313331323133313332322331212211212132   <<    C123132112322333121111113121111331333133313231333133323223312122112121323   >>      C123132112322333121111113121111331333133313231333133323223312122112121322   >>