C1111121111331311211331333133313331333133313231333133313331333133112112112321   >>    C111112111133131121133133313331333133313331323133313331333133313311211211232   <<    C1111121111331311211331333133313331333133313231333133313331333133112112112323   >>      C1111121111331311211331333133313331333133313231333133313331333133112112112322   >>