C3123223313331322121111331333133313231333132212113313331333133112323321   >>    C312322331333132212111133133313331323133313221211331333133313311232332   <<    C3123223313331322121111331333133313231333132212113313331333133112323323   >>      C3123223313331322121111331333133313231333132212113313331333133112323322   >>