C312322331333132212111133133313331333133312121111121111331211111333211321   >>    C31232233133313221211113313331333133313331212111112111133121111133321132   <<    C312322331333132212111133133313331333133312121111121111331211111333211323   >>      C312322331333132212111133133313331333133312121111121111331211111333211322   >>